双(二异丙基氨基)(2-氰基乙氧基)膦   、                                                                                      
Acetic acid (1R,2S,3S,4R)-3,4-diacetoxy-1-(6-allyloxy-9-{(2R,4S,5R)-5-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-tetrahydro-furan-2-yl}-9H-purin-2-ylamino)-1,2,3,4-tetrahydro-benzo[c]phenanthren-2-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
二异丙基铵盐四氮唑                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        以50%的产率得到[(1R,2S,3S,4R)-3,4-diacetyloxy-1-[[9-[(2R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]-6-prop-2-enoxypurin-2-yl]amino]-1,2,3,4-tetrahydrobenzo[c]phenanthren-2-yl] acetate